diff options
Diffstat (limited to 'ecdsa.c')
| -rw-r--r-- | ecdsa.c | 14 |
1 files changed, 7 insertions, 7 deletions
@@ -199,7 +199,7 @@ const size_t hal_ecdsa_key_t_size = sizeof(struct hal_ecdsa_key); * first time anything asks for any of them. */ -static const ecdsa_curve_t * const get_curve(const hal_curve_name_t curve) +static const ecdsa_curve_t * get_curve(const hal_curve_name_t curve) { static ecdsa_curve_t curve_p256, curve_p384, curve_p521; static int initialized = 0; @@ -805,18 +805,18 @@ static hal_error_t verilog_point_pick_random(const verilog_ecdsa_driver_t * cons memset(b, 0, sizeof(b)); fp_to_unsigned_bin(k, b + sizeof(b) - len); - for (int i = 0; i < sizeof(b); i += 4) + for (size_t i = 0; i < sizeof(b); i += 4) check(hal_io_write(core, driver->k_addr + i/4, &b[sizeof(b) - 4 - i], 4)); check(hal_io_write(core, ADDR_CTRL, zero, sizeof(zero))); check(hal_io_next(core)); check(hal_io_wait_valid(core)); - for (int i = 0; i < sizeof(b); i += 4) + for (size_t i = 0; i < sizeof(b); i += 4) check(hal_io_read(core, driver->x_addr + i/4, &b[sizeof(b) - 4 - i], 4)); fp_read_unsigned_bin(P->x, b, sizeof(b)); - for (int i = 0; i < sizeof(b); i += 4) + for (size_t i = 0; i < sizeof(b); i += 4) check(hal_io_read(core, driver->y_addr + i/4, &b[sizeof(b) - 4 - i], 4)); fp_read_unsigned_bin(P->y, b, sizeof(b)); @@ -1421,7 +1421,7 @@ hal_error_t hal_ecdsa_private_key_from_der(hal_ecdsa_key_t **key_, if ((err = hal_asn1_decode_header(ASN1_EXPLICIT_1, d, der_end - d, &hlen, &vlen)) != HAL_OK) goto fail; d += hlen; - if (vlen > der_end - d) + if (vlen > (size_t)(der_end - d)) lose(HAL_ERROR_ASN1_PARSE_FAILED); if ((err = hal_asn1_decode_header(ASN1_BIT_STRING, d, vlen, &hlen, &vlen)) != HAL_OK) goto fail; @@ -1529,7 +1529,7 @@ hal_error_t hal_ecdsa_public_key_from_der(hal_ecdsa_key_t **key_, memcmp(alg_oid, hal_asn1_oid_ecPublicKey, alg_oid_len) != 0 || hal_ecdsa_oid_to_curve(&key->curve, curve_oid, curve_oid_len) != HAL_OK || pubkey_len < 3 || (pubkey_len & 1) == 0 || pubkey[0] != 0x04 || - pubkey_len / 2 != fp_unsigned_bin_size(unconst_fp_int(get_curve(key->curve)->q))) + pubkey_len / 2 != (size_t)(fp_unsigned_bin_size(unconst_fp_int(get_curve(key->curve)->q)))) return HAL_ERROR_ASN1_PARSE_FAILED; const uint8_t * const Qx = pubkey + 1; @@ -1595,7 +1595,7 @@ static hal_error_t decode_signature_pkcs11(const ecdsa_curve_t * const curve, const size_t n_len = signature_len / 2; - if (n_len > fp_unsigned_bin_size(unconst_fp_int(curve->n))) + if (n_len > (size_t)(fp_unsigned_bin_size(unconst_fp_int(curve->n)))) return HAL_ERROR_BAD_ARGUMENTS; fp_read_unsigned_bin(r, unconst_uint8_t(signature) + 0 * n_len, n_len); |